21. Add MS 89143/2/22 Reference (shelfmark): Add MS 89143/2/22 Title: Correspondence by Country: South America Collection Area: Western Manuscripts Languages: English Date Range: 1822-1827 Extent: 3 boxes (12 folders)
22. Add MS 89143/2/15 Reference (shelfmark): Add MS 89143/2/15 Title: Correspondence by Country: Netherlands Collection Area: Western Manuscripts Languages: English Date Range: 1823-1827 Extent: 0.25 box (1 folder)
23. Add MS 89143/2/8 Reference (shelfmark): Add MS 89143/2/8 Title: Correspondence by Country: America Collection Area: Western Manuscripts Languages: English Date Range: 1805-1827 Extent: 1.5 boxes (6 folders)
24. Add MS 89143/1/12 Reference (shelfmark): Add MS 89143/1/12 Title: Other Political Correspondence, Memoranda, Pamphlets and Papers Collection Area: Western Manuscripts Languages: English Date Range: 1769-1856 Extent: 4 boxes, including 1 oversize (15 folders)
25. Add MS 89143/3/4 Reference (shelfmark): Add MS 89143/3/4 Title: Personal Estate and Financial Affairs Collection Area: Western Manuscripts Languages: English Date Range: 1800-1827 Extent: 2 boxes (5 folders & 2 small volumes)
26. Add MS 89143/3/7 Reference (shelfmark): Add MS 89143/3/7 Title: Almanacs, Journals, and Pocket Diaries Collection Area: Western Manuscripts Languages: English Date Range: 1792-1823 Extent: 7 boxes (34 small diaries) & 1 volume
27. Add MS 89143/3/10 Reference (shelfmark): Add MS 89143/3/10 Title: Correspondence of Joan, Viscountess Canning Collection Area: Western Manuscripts Languages: English Date Range: 1816-1846 Extent: 1.6 boxes (6 folders)
28. Add MS 89143/2/18 Reference (shelfmark): Add MS 89143/2/18 Title: Correspondence by Country: Portugal (and Brazil) Collection Area: Western Manuscripts Languages: English Date Range: 1796-1827 Extent: 8 boxes, including 1 oversize (27 folders)
29. Add MS 89143/2/21 Reference (shelfmark): Add MS 89143/2/21 Title: Correspondence by Country: Sardinia and Sicily Collection Area: Western Manuscripts Languages: English Date Range: 1804-1810 Extent: 1.5 boxes (3 folders)
30. Add MS 89143/1/4 Reference (shelfmark): Add MS 89143/1/4 Title: Correspondence with Members of Parliament Collection Area: Western Manuscripts Languages: English Date Range: 1814-1827 Extent: 2 boxes (5 folders)